11112012020123 has 16 divisors (see below), whose sum is σ = 12708438835200. Its totient is φ = 9517836636000.

The previous prime is 11112012020107. The next prime is 11112012020173. The reversal of 11112012020123 is 32102021021111.

It is a happy number.

It is not a de Polignac number, because 11112012020123 - 2⁴ = 11112012020107 is a prime.

It is a super-2 number, since 2×11112012020123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112012020173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59778278 + ... + 59963876.

It is an arithmetic number, because the mean of its divisors is an integer number (794277427200).

Almost surely, 2^{11112012020123} is an apocalyptic number.

11112012020123 is a deficient number, since it is larger than the sum of its proper divisors (1596426815077).

11112012020123 is a wasteful number, since it uses less digits than its factorization.

11112012020123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191618.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11112012020123 its reverse (32102021021111), we get a palindrome (43214033041234).

The spelling of 11112012020123 in words is "eleven trillion, one hundred twelve billion, twelve million, twenty thousand, one hundred twenty-three".